Like every year on National Tree Week I like to do a tree related post. And as it is National Tree Week here in Ireland at the moment, I thought I would mention some ‘tree themed’ sculptures that I really like. German artist and art teacher  Ute Lennartz-Lembeck took up the hobby, also known as “yarnbombing”, after seeing the work of others on a visit to Berlin. Graffiti knitters typically install their stitched creations on signposts, statues, bicycles and any other surface